Below shows the value of some accounting items of Lam Research (ticker: LRCX) for the accounting period ends in the past three years. Please use the information to calculate cash savings from changes in Days Inventory Turnover.

	2017	2018	2019
Revenue	8,013,620	11,076,998	9,653,559
Cost of goods sold	4,410,261	5,911,966	5,295,100
Net income	$1,697,763	$2,380,681	$2,191,430
Investments	3,663,628	437,338	1,772,984
Accounts receivable	1,673,398	2,176,936	1,455,522
Inventories	1,232,916	1,876,162	1,540,140
Accounts payable	464,643	510,983	376,561
Total assets	12,122,765	12,479,478	12,001,333
Total liabilities	5,135,453	5,899,435	7,278,029

Group of answer choices

138,453.7

2,255.11

6,858.4

315,815.6